Upgrade tasks

  1. Check upgrade status
  2. Update modules
  3. Enable maintenance mode
  4. Verify maintenance theme
  5. Verify access to update.php
  6. Disable non-core modules
  7. Verify default theme
  8. Backup current site
  9. Replace Drupal core
  10. Run update.php for core
  11. Download new project versions
  12. Backup current site
  13. Run update.php for modules
  14. Re-enable modules
  15. Check status report

TATA